3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo 0b100000001; echo "\n"; echo 0b1000000001; echo "\n"; echo 0b10000000001; echo "\n"; echo 0b100000000001;
based on psDs9
Output for 5.4.0 - 7.2.0
257 513 1025 2049
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting ',' or ';' in /in/eaIVJ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting ',' or ';' in /in/eaIVJ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/eaIVJ on line 3
Process exited with code 255.